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