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