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