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