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