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