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