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