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