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