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