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)(13,14,18,19)(15,17,23,20)(16,24,25,21)(22,27,28,26)(29,30)(31,38)(32,36)(33,43)(34,44)(35,37)(39,42)(40,41)(6,7)(8,12)(14,19)(16,25)(17,20)(22,28)(29,31,35,32)(30,36,37,38)(33,41,44,39)(34,40,43,42)(5,6,9,7)(8,11,12,10)(13,15,18,23)(14,20,19,17)(16,22,25,28)(21,27,24,26)(29,32,35,31)(30,36,37,38)(33,39,44,41)(34,40,43,42)(1,2,3,4)(5,7,9,6)(8,11,12,10)(13,16,18,25)(14,21,19,24)(15,22,23,28)(17,26,20,27)(29,33)(30,34)(31,39)(32,41)(35,44)(36,42)(37,43)(38,40)(5,8)(6,10)(7,11)(9,12)(13,17,18,20)(14,15,19,23)(16,26,25,27)(21,22,24,28)(29,34)(30,33)(31,40)(32,42)(35,43)(36,41)(37,44)(38,39)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.