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