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