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