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