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