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