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