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