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