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)(13,14,17,18)(15,21,23,19)(16,20,24,26)(22,28,25,27)(29,30,34,38)(31,35,36,32)(33,41,43,37)(39,40,42,44)(8,12)(10,11)(14,18)(16,24)(19,21)(22,25)(29,31,34,36)(30,32,38,35)(33,39,43,42)(37,40,41,44)(6,7)(10,11)(13,15,17,23)(14,19,18,21)(16,25,24,22)(20,28,26,27)(29,31)(30,35)(32,38)(33,42)(34,36)(37,40)(39,43)(41,44)(1,2)(3,4)(5,7,9,6)(8,11,12,10)(13,14)(15,19)(16,20)(17,18)(21,23)(22,27)(24,26)(25,28)(29,32,34,35)(30,36,38,31)(33,40,43,44)(37,42,41,39)(5,8)(6,10)(7,11)(9,12)(13,16,17,24)(14,20,18,26)(15,22,23,25)(19,27,21,28)(29,33,34,43)(30,37,38,41)(31,39,36,42)(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.