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