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