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