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