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