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