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