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