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