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