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)(17,32,24,22)(19,33,35,26)(25,41,29,38)(31,37,40,43)(34,42,36,44)(1,2)(3,4)(5,7)(6,10)(8,11)(9,12)(13,15,24,33,18,27,17,26)(14,19,32,39,21,35,22,23)(16,29,40,42,30,25,31,44)(20,36,43,38,28,34,37,41)(6,11)(7,12)(13,16,18,30)(14,20,21,28)(15,25,27,29)(17,31,24,40)(19,34,35,36)(22,37,32,43)(23,38,39,41)(26,42,33,44)(2,4)(5,8,9,10)(6,12,11,7)(14,21)(16,30)(19,35)(22,32)(23,39)(25,29)(31,40)(42,44)(13,15,24,33,18,27,17,26)(14,19,32,39,21,35,22,23)(16,25,40,44,30,29,31,42)(20,34,43,41,28,36,37,38)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.