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