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