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