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