One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,7)(3,8,4,6)(17,18,20,24,21,23,30,29)(19,25,27,31,26,32,28,22)(1,3,5,4)(2,6,7,8)(9,10)(11,14)(12,13)(15,16)(17,19)(18,22)(20,28)(21,26)(23,31)(24,32)(25,29)(27,30)(10,13)(14,16)(17,18)(19,22)(20,29)(21,23)(24,30)(25,28)(26,31)(27,32) involution — undirected(1,4,5,3)(2,6,7,8)(9,11)(10,14)(12,15)(13,16)(19,26)(22,31)(25,32)(27,28)(11,15)(14,16)(18,23)(22,31)(24,29)(25,32) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.