One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,6,7,8)(9,10)(11,13)(12,14)(15,16)(17,18,22,28)(19,29,30,24)(20,27,23,25)(21,31,32,26)(2,5)(6,8)(9,11,12,15)(10,13,14,16)(17,19)(18,24)(20,21)(22,30)(23,32)(25,31)(26,27)(28,29)(10,14)(13,16)(17,20)(18,25)(21,32)(22,23)(24,29)(27,28) involution — undirected(1,3,4,7)(2,6,5,8)(17,21,22,32)(18,26,28,31)(19,20,30,23)(24,27,29,25)(17,20)(18,27)(19,30)(22,23)(24,29)(25,28) 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.