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