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