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