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