\newcommand{\point}[3]{
  \node [label=#3:$#1$] (#1) at #2 {};
}

\begin{tikzpicture}[]
  \begin{scope}[every node/.style={fill=black, shape=circle, inner sep=1pt}]
    \point{a}{(0,1)}{left}
    \point{b}{(1,2)}{above}
    \point{c}{(2,1)}{above right}
    \point{d}{(1,0)}{below}

    \point{e}{(4,1)}{above left}
    \point{f}{(5,2)}{above}
    \point{g}{(6,1)}{right}
    \point{h}{(5,0)}{below}
  \end{scope}
  
  \draw (a) -- (b) -- (c) -- (d) -- (a);
  \draw (e) -- (f) -- (g) -- (h) -- (e);
  \draw (b) -- (f);
  \draw (c) -- (e);
  \draw (d) -- (h);

\end{tikzpicture}