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