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