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