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