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