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