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