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