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