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