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