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