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