One vertex per element, one color per generator, with an edge from x to x·s.
(2,4)(5,6)(7,10)(8,15)(9,11)(12,16)(13,17)(14,20)(18,19)(21,22)(23,33)(24,38)(25,30)(26,31)(27,32)(28,35)(29,40)(34,42)(36,43)(37,44)(39,46)(41,45)(47,50)(48,51)(49,52) involution — undirected(1,2,3,4)(5,7)(6,10)(8,14)(9,13)(11,17)(12,18)(15,20)(16,19)(21,23,25,35,27,36,26,37)(22,28,31,33,32,44,30,43)(24,34,39,48,41,49,40,50)(29,42,45,47,46,52,38,51)(6,11)(7,13)(12,15)(14,19)(21,24,26,40,27,41,25,39)(22,29,30,38,32,46,31,45)(23,34,37,50,36,49,35,48)(28,42,43,51,44,52,33,47)(7,13)(10,17)(14,19)(18,20)(21,25,27,26)(22,30,32,31)(23,35,36,37)(24,39,41,40)(28,43,44,33)(29,38,46,45)(34,48,49,50)(42,51,52,47)(5,8,9,16)(6,12,11,15)(7,14,13,19)(10,18,17,20)(23,36)(28,44)(33,43)(34,49)(35,37)(42,52)(47,51)(48,50)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.