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