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