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