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