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