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)(19,29,32,44)(20,25)(21,26)(22,36,37,27)(23,28)(24,31)(30,43,34,47)(33,42,35,40)(38,45)(39,46)(41,48)(1,3)(2,7)(4,13)(5,11)(6,12)(8,16)(9,15)(10,14)(17,19)(18,24,28,39)(20,30)(21,34)(22,31)(23,32)(25,38,26,41)(27,29,36,44)(33,45)(35,48)(37,46)(40,43,42,47)(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)(22,33,37,35)(24,38,39,41)(27,40,36,42)(29,43,44,47)(31,45,46,48)(2,9)(7,15)(8,10)(14,16)(17,21,23,20)(18,26,28,25)(19,30,32,34)(22,35,37,33)(24,38,39,41)(27,42,36,40)(29,43,44,47)(31,45,46,48)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.