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)(15,21)(16,23)(17,20)(18,19)(22,25)(24,28)(26,27)(33,41)(36,40)(38,44)(42,43)(7,11)(10,12)(14,19)(16,21)(20,27)(24,25)(29,30,34,32)(31,37,39,35)(33,36,41,40)(38,43,44,42)(5,6)(7,10)(8,9)(11,12)(13,15)(14,16)(17,22)(18,23)(19,21)(20,24)(25,27)(26,28)(29,31,34,39)(30,35,32,37)(33,38,41,44)(36,42,40,43)(1,2)(3,4)(5,7,8,11)(6,10,9,12)(13,16)(14,15)(17,25)(18,21)(19,23)(20,28)(22,27)(24,26)(29,32,34,30)(31,37,39,35)(33,40,41,36)(38,43,44,42)(13,17,18,26)(14,20,19,27)(15,22,23,28)(16,24,21,25)(29,33)(30,36)(31,38)(32,40)(34,41)(35,42)(37,43)(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.