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)(31,37)(34,40)(38,43)(41,44)(5,7)(6,8)(9,12)(10,11)(14,18)(19,24)(20,25)(26,28)(29,30,33,36)(31,34,37,40)(32,35,39,42)(38,41,43,44)(5,8,9,11)(6,7,10,12)(13,14,17,18)(15,19,22,24)(16,20,23,25)(21,26,27,28)(29,31)(30,34)(32,38)(33,37)(35,41)(36,40)(39,43)(42,44)(1,2)(3,4)(5,6)(7,8)(9,10)(11,12)(13,15,17,22)(14,19,18,24)(16,21,23,27)(20,26,25,28)(29,30)(31,34)(32,35)(33,36)(37,40)(38,41)(39,42)(43,44)(5,8)(6,7)(9,11)(10,12)(13,16)(14,20)(15,21)(17,23)(18,25)(19,26)(22,27)(24,28)(29,32,33,39)(30,35,36,42)(31,38,37,43)(34,41,40,44)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.