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)(28,34)(33,47)(35,42)(36,44)(37,45)(38,43)(39,46)(41,49)(48,51)(50,52) involution — undirected(5,7)(6,10)(8,14)(9,13)(11,16)(12,17)(15,19)(18,20)(21,23,26,34,27,35,25,38)(22,28,30,32,31,43,40,42)(24,33,36,49,37,50,39,48)(29,41,46,47,45,51,44,52)(2,4)(7,13)(10,16)(14,19)(17,20)(21,24)(22,29)(23,33)(25,39)(26,36)(27,37)(28,41)(30,46)(31,45)(32,47)(34,49)(35,50)(38,48)(40,44)(42,52)(43,51) involution — undirected(6,11)(10,16)(12,18)(17,20)(21,25,27,26)(22,30,31,40)(23,34,35,38)(24,36,37,39)(28,42,43,32)(29,44,45,46)(33,48,50,49)(41,47,51,52)(5,8,9,15)(6,12,11,18)(7,14,13,19)(10,17,16,20)(23,35)(24,37)(28,43)(29,45)(32,42)(34,38)(36,39)(44,46)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.