\documentclass[10pt]{article}
\usepackage{pgf,tikz,pgfplots}
\pgfplotsset{compat=1.15}
\usepackage{mathrsfs}
\usetikzlibrary{arrows}
\pagestyle{empty}
\begin{document}
\definecolor{ttttff}{rgb}{0.2,0.2,1}
\definecolor{qqccqq}{rgb}{0,0.8,0}
\definecolor{dtsfsf}{rgb}{0.8274509803921568,0.1843137254901961,0.1843137254901961}
\begin{tikzpicture}[line cap=round,line join=round,>=triangle 45,x=1cm,y=1cm]
\begin{axis}[
x=1cm,y=1cm,
axis lines=middle,
xmin=-2.8133333333333344,
xmax=2.911111111111111,
ymin=-3.231111111111111,
ymax=3.4000000000000017,
xtick={-2.5,-2,...,2.5},
ytick={-3,-2.5,...,3},]
\clip(-2.8133333333333344,-3.231111111111111) rectangle (2.911111111111111,3.4);
\draw [line width=2pt,color=qqccqq] (-1,1)-- (0,0);
\draw [line width=2pt,color=ttttff] (1,-1)-- (0,0);
\draw [line width=2pt,color=ttttff] (1,1)-- (1,-1);
\draw [line width=2pt,color=ttttff] (0,0)-- (1,1);
\draw [line width=2pt,color=qqccqq] (-1,-1)-- (0,0);
\draw [line width=2pt,color=qqccqq] (-1,1)-- (-1,-1);
\begin{scriptsize}
\draw [fill=dtsfsf] (-1,1) circle (2.5pt);
\draw[color=dtsfsf] (-1.1511111111111119,1.2) node {$v_{3}$};
\draw [fill=dtsfsf] (-1,-1) circle (2.5pt);
\draw[color=dtsfsf] (-1.1333333333333342,-0.8266666666666658) node {$v_{4}$};
\draw [fill=dtsfsf] (0,0) circle (2.5pt);
\draw[color=dtsfsf] (-0.06666666666666718,0.32888888888888995) node {$v_{0}$};
\draw [fill=dtsfsf] (1,1) circle (2.5pt);
\draw[color=dtsfsf] (1.1244444444444441,1.1466666666666678) node {$v_{1}$};
\draw [fill=dtsfsf] (1,-1) circle (2.5pt);
\draw[color=dtsfsf] (1.1244444444444441,-0.8533333333333325) node {$v_{2}$};
\draw[color=qqccqq] (-0.4666666666666673,0.7555555555555568) node {$e_{3}$};
\draw[color=ttttff] (0.4222222222222218,-0.5422222222222214) node {$g$};
\draw[color=ttttff] (1.1066666666666665,0.14222222222222325) node {$h$};
\draw[color=ttttff] (0.3955555555555551,0.6222222222222233) node {$i$};
\draw[color=qqccqq] (-0.3688888888888895,-0.4977777777777769) node {$j$};
\draw[color=qqccqq] (-1.1066666666666674,0.1955555555555566) node {$k$};
\end{scriptsize}
\end{axis}
\end{tikzpicture}
\end{document}