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)(13,14,20,26)(15,27,16,22)(17,23,35,42)(18,24,19,25)(21,30,37,29)(28,39,31,38)(32,36,43,44)(33,40,34,41)(1,2,3,4)(13,15,18,29,20,16,19,30)(14,21,25,27,26,37,24,22)(17,32,34,28,35,43,33,31)(23,39,40,36,42,38,41,44)(6,9)(10,12)(13,16,20,15)(14,22,26,27)(17,31,35,28)(18,29,19,30)(21,25,37,24)(23,38,42,39)(32,34,43,33)(36,41,44,40)(5,7,8,11)(6,10,9,12)(13,17)(14,23)(15,28)(16,31)(18,33)(19,34)(20,35)(21,36)(22,38)(24,40)(25,41)(26,42)(27,39)(29,32)(30,43)(37,44)(13,18,20,19)(14,24,26,25)(15,29,16,30)(17,33,35,34)(21,22,37,27)(23,40,42,41)(28,32,31,43)(36,38,44,39)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.