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