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