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