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