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