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