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