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