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