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