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