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