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