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)(13,14,18,16)(15,19,21,23)(17,24,25,20)(22,28,27,26)(30,31)(32,39)(36,38)(40,41)(7,11)(10,12)(14,16)(15,21)(20,24)(22,27)(29,30,34,31)(32,35,39,37)(33,36,42,38)(40,43,41,44)(5,7)(6,10)(8,12)(9,11)(13,15)(14,19)(16,23)(17,22)(18,21)(20,26)(24,28)(25,27)(29,31,34,30)(32,35,39,37)(33,38,42,36)(40,43,41,44)(1,2)(3,4)(5,8,9,6)(7,12,11,10)(13,16,18,14)(15,19,21,23)(17,20,25,24)(22,28,27,26)(29,32)(30,35)(31,37)(33,41)(34,39)(36,44)(38,43)(40,42)(13,17,18,25)(14,20,16,24)(15,22,21,27)(19,26,23,28)(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.