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