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