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