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