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