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