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