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