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