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