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