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