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