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