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