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