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