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