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