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