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