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