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