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