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