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