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