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