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