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