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