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