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