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