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