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