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