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