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