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