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