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