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