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