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