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