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