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