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