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