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