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