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