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