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