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