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