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