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