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