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