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