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