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