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