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