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