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