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)(15,25,27,20)(16,30,31,21)(17,22,32,40)(19,24,34,41)(26,36,33,43)(28,39,44,37)(29,42,35,38)(5,7,9,8)(6,10,11,12)(13,15,18,27)(14,20,23,25)(16,28,31,44)(17,33,32,26)(19,35,34,29)(21,39,30,37)(22,36,40,43)(24,42,41,38)(1,2,3,4)(13,16)(14,21)(15,26)(17,19)(18,31)(20,36)(22,41)(23,30)(24,40)(25,43)(27,33)(28,35)(29,44)(32,34)(37,38)(39,42)(5,8,9,7)(6,10,11,12)(15,27)(16,17)(19,34)(20,25)(21,40)(22,30)(24,41)(26,28)(31,32)(33,44)(36,39)(37,43)(13,17,18,32)(14,22,23,40)(15,28,27,44)(16,19,31,34)(20,37,25,39)(21,41,30,24)(26,35,33,29)(36,38,43,42)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.