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