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