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