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