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