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