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