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