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