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