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