One vertex per element, one color per generator, with an edge from x to x·s.
(5,6)(7,11)(8,9)(10,12)(13,14,18,22)(15,23,25,37)(16,28,30,43)(17,31,29,21)(19,32,33,26)(20,35,36,24)(27,42,41,39)(34,40,38,44)(1,2)(3,4)(6,9)(10,11) involution — undirected(2,4)(13,15,24,40,17,27,30,32,18,25,35,44,29,41,16,26)(14,19,28,39,21,34,36,37,22,33,43,42,31,38,20,23)(5,7,8,12)(6,10,9,11)(15,25)(19,33)(23,37)(26,32)(27,41)(34,38)(39,42)(40,44)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.