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