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