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