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