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