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