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