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