Item 4.7.5.a.
Yes, the graphs are isomorphic, which you can see by drawing them. One isomorphism is:
\begin{equation*}
f = \begin{pmatrix}
a \amp b \amp c \amp d \amp e \amp f \amp g \\
u \amp z \amp v \amp x \amp w \amp y \amp t
\end{pmatrix}\text{.}
\end{equation*}