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