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