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