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