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