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