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