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