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