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