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