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