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