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