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