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)(17,18,22,28,24,29,23,41)(19,30,33,44,34,43,36,25)(20,35,37,26,32,45,38,46)(21,27,39,42,40,47,31,48)(1,3)(2,6)(4,11)(5,10)(7,15)(8,14)(9,12)(13,16)(17,19)(18,25)(20,31)(21,38)(22,36)(23,33)(24,34)(26,42)(27,45)(28,43)(29,44)(30,41)(32,39)(35,47)(37,40)(46,48) involution — undirected(1,4)(2,7)(3,9)(5,12)(6,13)(8,16)(10,11)(14,15)(17,20,24,32)(18,26,29,46)(19,31,34,39)(21,36,40,33)(22,37,23,38)(25,42,44,48)(27,30,47,43)(28,45,41,35)(4,12)(7,16)(9,11)(13,15)(17,21,22,39,24,40,23,31)(18,27,28,42,29,47,41,48)(19,32,33,38,34,20,36,37)(25,26,30,45,44,46,43,35)(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.