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)(16,29)(17,20)(18,23)(19,24)(22,33)(25,41)(26,35)(27,34)(28,37)(30,38)(31,44)(32,40)(36,43)(39,42)(5,6,8,9)(7,10,11,12)(14,20,24,23)(16,30)(21,35,37,34)(22,38,40,29)(25,42)(31,43)(32,33)(36,39,44,41)(2,4)(7,11)(10,12)(13,15,19,28)(14,21,24,37)(16,31,30,43)(17,27,18,26)(20,34,23,35)(22,39,40,41)(25,33,42,32)(29,44,38,36)(5,7,8,11)(6,10,9,12)(13,16,18,33,19,30,17,32)(14,22,20,29,24,40,23,38)(15,25,27,43,28,42,26,31)(21,36,35,41,37,44,34,39)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.