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