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