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