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