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