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