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