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