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