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