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