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