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