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