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