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