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