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