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