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