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