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