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