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