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