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