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