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