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