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