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