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