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