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