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