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