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