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