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