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