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)(17,18,22,23)(19,24,27,31)(20,28,29,25)(21,26,30,32)(2,5)(6,8)(9,11,12,15)(10,13,14,16)(17,19)(18,24)(20,26)(21,25)(22,27)(23,31)(28,30)(29,32)(10,14)(13,16)(17,20)(18,25)(19,21)(22,29)(23,28)(24,32)(26,31)(27,30) involution — undirected(1,3,4,7)(2,6,5,8)(17,21)(18,26)(19,20)(22,30)(23,32)(24,28)(25,31)(27,29)(19,27)(20,29)(24,31)(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.