One vertex per element, one color per generator, with an edge from x to x·s.
(1,2)(3,9)(4,7)(5,13)(6,10)(8,12)(11,14)(15,16)(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)(1,3,5,11,4,10,12,16)(2,6,8,14,7,9,13,15)(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)(2,7)(6,9)(8,13)(14,15)(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.