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