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