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