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