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