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