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