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