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