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