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