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