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