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