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