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