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