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