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