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