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