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