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