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