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