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