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