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