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