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