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