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