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