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