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