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