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