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