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