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