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