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