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