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