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