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