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