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