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