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