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