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