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