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