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