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