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