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