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