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