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