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