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