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