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