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