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)(11,12)(13,14)(15,16)(17,18,21,24)(19,23,20,22)(25,26,29,31)(27,32,30,28)(1,2,4,6)(3,5,7,8)(9,10,13,14)(11,12,15,16)(19,20)(22,23)(25,27,29,30)(26,28,31,32)(3,7)(5,8)(10,14)(12,16)(17,19,21,20)(18,22,24,23)(25,26)(27,28)(29,31)(30,32)(1,2)(3,8)(4,6)(5,7)(9,11)(10,12)(13,15)(14,16)(17,20,21,19)(18,23,24,22)(25,26)(27,28)(29,31)(30,32)(1,3)(2,5)(4,7)(6,8)(9,12)(10,15)(11,14)(13,16)(17,18)(19,22)(20,23)(21,24)(25,28)(26,30)(27,31)(29,32) 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.