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)(15,25,29,34,27,37,28,20)(16,21,32,35,30,36,31,38)(26,39,41,44,42,43,40,33)(1,2)(3,4)(6,9)(10,11)(13,15,17,28,19,27,18,29)(14,20,23,25,24,34,22,37)(16,26,31,40,30,42,32,41)(21,33,35,39,36,44,38,43)(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)(23,35)(24,36)(25,39)(27,42)(28,40)(29,41)(34,44)(37,43)(6,9)(10,11)(14,22,24,23)(15,27)(16,30)(20,25,34,37)(21,35,36,38)(28,29)(31,32)(33,43,44,39)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.