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