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