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