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