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