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