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