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