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