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