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