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