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