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