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