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