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