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