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