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