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