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